Debris from downed Ukrainian drones sparked a blaze at the refinery in Slavyansk-na-Kubani, a town in Russia's Krasnodar region.

Ukraine hit a major Moscow oil refinery for a second time in a week and disrupted commercial flights at the city's airports in one of its biggest drone attacks since Russia's all-out invasio

Several residential buildings were reportedly hit and all of the Russian capital’s airports shut down as a result of the attack.

Ukraine has hit a major Moscow oil refinery for the second time in a week, disrupting hundreds of flights at the capital's airports.